小议准并列连接词let alone

有这样一道语法结构题:Countless divorced politicians would have beenelected out of office years ago,had they eventhought of a divorce,let alone__one.A.getting B.to getC.gotten D.get该题考查的语法点主要是(1)虚拟语气(省略 if 的倒装条件句);(2)let alone 的用法。对考点(1)的掌握可以保证正确理解题干意思,即“许多现在离了婚的政客倘若多年以前有过离